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27744675252 = 2237330293753
BaseRepresentation
bin11001110101101101…
…100010010110110100
32122121120111112102220
4121311231202112310
5423310114102002
620425024402340
72001352564020
oct316555422664
978546445386
1027744675252
1110848167188
1254637763b0
132802062808
1414b2ac9380
15ac5b2e7bc
hex675b625b4

27744675252 has 24 divisors (see below), whose sum is σ = 73985800896. Its totient is φ = 7927050048.

The previous prime is 27744675251. The next prime is 27744675281. The reversal of 27744675252 is 25257644772.

It is a junction number, because it is equal to n+sod(n) for n = 27744675195 and 27744675204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27744675251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165146793 + ... + 165146960.

It is an arithmetic number, because the mean of its divisors is an integer number (3082741704).

Almost surely, 227744675252 is an apocalyptic number.

It is an amenable number.

27744675252 is an abundant number, since it is smaller than the sum of its proper divisors (46241125644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27744675252 is a wasteful number, since it uses less digits than its factorization.

27744675252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330293767 (or 330293765 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 51.

The spelling of 27744675252 in words is "twenty-seven billion, seven hundred forty-four million, six hundred seventy-five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 330293753 660587506 990881259 1321175012 1981762518 2312056271 3963525036 4624112542 6936168813 9248225084 13872337626 27744675252